feat: add scripts to create participants and users tables in the database

scripts/create_participant_table.js

@@ -0,0 +1,43 @@
+const { Pool } = require('pg');
+require('dotenv').config();
+
+const createTableQuery = `
+CREATE TABLE IF NOT EXISTS participants (
+    id SERIAL PRIMARY KEY,
+    user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    participant_name VARCHAR(255) NOT NULL,
+    email VARCHAR(255) NOT NULL,
+    year INTEGER NOT NULL,
+    phone_number VARCHAR(15),
+    is_digital_art BOOLEAN DEFAULT false,
+    digital_art_link TEXT DEFAULT NULL,
+    is_handdrawn BOOLEAN DEFAULT false,
+    handdrawn_link TEXT DEFAULT NULL,
+    is_poster BOOLEAN DEFAULT false,
+    poster_link TEXT DEFAULT NULL,
+    CONSTRAINT fk_user FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+`;
+
+async function createTable() {
+    const pool = new Pool({
+        connectionString: process.env.DATABASE_URL,
+    });
+
+    try {
+        console.log('Connecting to the database...');
+        const client = await pool.connect();
+
+        console.log('Creating participants table if it does not exist...');
+        await client.query(createTableQuery);
+
+        console.log('Participants table created or already exists.');
+        client.release();
+    } catch (error) {
+        console.error('Error creating participants table:', error);
+    } finally {
+        await pool.end();
+    }
+}
+
+createTable();